*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.container{
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #001300;
    overflow: hidden;
    flex-wrap: wrap;
    animation: animate 5s linear infinite;
}

@keyframes animate{
    0%{
        filter:hue-rotate(0deg)
    }
    100%{
        filter: hue-rotate(360deg);
    }
}

.container span{
    position: relative;
    display: block;
    width: 40px;
    height: 40px;
    /* background-color: #F00; */
}

.container span::before
{
    content: " ";
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    background: #00ff0a;
    border-radius: 50%;
    transform: scale(0);
    transition : 2s;
    box-shadow:  0 0 10px #00ff0a,
    0 0 20px #00ff0a,
    0 0 40px #00ff0a,
    0 0 6cqh #00ff0a,
    0 0 60px #00ff0a,
    0 0 80px #00ff0a;
}

.container span:hover::before
{
    transform: scale(1);
    transition: 0s;
}